Marcus has been dealing with professional indemnity work since 1993, both in private practice and in-house. He specialises in defending claims against solicitors and deals with cases arising from all areas of private practice. He has over twenty years' experience in this area and has acted for a number of national and international law firms. 

Reported cases include:

• Santander UK plc v RA Legal Solicitors [2014] EWCA Civ 183 (breach of trust)
• Hickman v Blake Lapthorn [2006] EWHC 12 (QB) (personal injury under-settlement and apportionment between solicitors and counsel)
• UCB Home Loans Corporation Ltd v Soni and another [2013] EWCA Civ 62 (vicarious liability of solicitor for frauds perpetrated by a partner)

Marcus also deals with claims against surveyors, valuers and accountants has a particular interest in the law of insurance, regularly advising insurers on coverage.

Marcus joined the firm from Travelers Insurance Company in 2002 and was made a partner in 2004.